Consequences of salinity 1) Detrimental effects on plant growth and yield 2) Damage to infrastructure a) Roads bricks corrosion of pipes and cables 3) Reduction of water quality for users, sedimentation problems 4) Soil erosion ultimately, when crops are too strongly affected by amounts of salts 5) Food for animals a) It takes 2.6 pounds of grain and 435 gallons of water to produce a pound of beef in the united states b) 85% of the US’s grazing lands are not suitable for farming. Beef grazing uses land too rough, high, dry, wet and inaccessible to graze livestock. c) Cattle eat forage crops that humans cannot consume, and they convert them into a nutrient-dense food. 6) As increasing numbers of people leave villages and farms to live in cities, urban growth

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Unformatted text preview: results 7) The rapid growth of cities like Chicago in the late 19 th century and shanghai in the late 20 th century can be attributed largely to people from rural comes munities 8) Urbanization a) The urban heat island i) Growing concern. Urban sprawl creates a number of negative environmental and public health outcomes ii) For more than 100 years, it has been known that two adjacent cities are generally warmer than the surrounding areas. iii) Air quality is worse iv) Less vegetation, and exposed soil exists, the majority of the suns energy is absorbed by urban structures and asphalt...
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